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Nat. Hazards Earth Syst. Sci., 16, 2421-2432, 2016
https://doi.org/10.5194/nhess-16-2421-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
24 Nov 2016
Integrated spatial assessment of wind erosion risk in Hungary
László Pásztor1, Gábor Négyesi2, Annamária Laborczi1, Tamás Kovács3, Elemér László2, and Zita Bihari3 1Institute for Soil Sciences and Agricultural Chemistry, Centre for Agricultural Research, Hungarian Academy of Sciences (MTA ATK TAKI), Herman O. u. 15, 1022 Budapest, Hungary
2University of Debrecen, Faculty of Sciences, Department of Physical Geography and Geoinformatics, 4010 Debrecen, Egyetem tér1, Hungary
3Hungarian Meteorological Service, Department of Climate and Ambient Air, Unit of Climatology, 1024 Kitaibel Pál u. 1, Hungary
Abstract. Wind erosion susceptibility of Hungarian soils was mapped on the national level integrating three factors of the complex phenomenon of deflation (physical soil features, wind characteristics, and land use and land cover). Results of wind tunnel experiments on erodibility of representative soil samples were used for the parametrization of a countrywide map of soil texture compiled for the upper 5 cm layer of soil, which resulted in a map representing threshold wind velocity exceedance. Average wind velocity was spatially estimated with 0.5′ resolution using the Meteorological Interpolation based on Surface Homogenised Data Basis (MISH) method elaborated for the spatial interpolation of surface meteorological elements. The probability of threshold wind velocity exceedance was determined based on values predicted by the soil texture map at the grid locations. Ratio values were further interpolated to a finer 1 ha resolution using sand and silt content of the uppermost (0–5 cm) layer of soil as spatial co-variables. Land cover was also taken into account, excluding areas that are not relevant to wind erosion (forests, water bodies, settlements, etc.), to spatially assess the risk of wind erosion. According to the resulting map of wind erosion susceptibility, about 10 % of the total area of Hungary can be identified as susceptible to wind erosion. The map gives more detailed insight into the spatial distribution of wind-affected areas in Hungary compared to previous studies.

Citation: Pásztor, L., Négyesi, G., Laborczi, A., Kovács, T., László, E., and Bihari, Z.: Integrated spatial assessment of wind erosion risk in Hungary, Nat. Hazards Earth Syst. Sci., 16, 2421-2432, https://doi.org/10.5194/nhess-16-2421-2016, 2016.
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Short summary
In Hungary wind erosion causes serious problems in agricultural production as well as in soil and environmental quality. Our aim was to provide a nationwide spatially detailed assessment of the susceptibility of land in Hungary to wind erosion, integrating different databases. According to the resulting map of wind erosion susceptibility, about 10% of the total area of Hungary can be identified as susceptible to wind erosion.
In Hungary wind erosion causes serious problems in agricultural production as well as in soil...
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